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  5. Aluminium strut profile 40x120x120L

Aluminium strut profile 40x120x120L

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L-shaped aluminium strut profile 40x120x120L with twelve C10 slots: Ix = Iy 318.0 cm⁴ and 6.7 kg/m, for corner uprights of heavy frames, gantries and bases. 6070 mm bar or cut to length.

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Code: 3842993653
Length: 6,070
  • Brand
  • Section mm
  • Slot mm
  • Max length mm
  • Cross-section area cm²
  • Moment of inertia Ix / Iy cm⁴
  • Section modulus Wx / Wy cm³
  • Length
  • Weight
  • Material

Cut dimensions

mm
120 × 120 mm Real profile section
0Full bar 6070 mm
Calculating price…
Full bar Full sheet of the sheet From {min} to {max} mm · full bar {max} mm Up to {maxl} × {maxw} mm · minimum {min} mm Length between {min} and {max} mm. Width between {min} and {max} mm.

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Specifications

Brand Bosch Rexroth
Section mm 40x120x120
Slot mm 10
Cross-section area cm² 24.6
Moment of inertia Ix / Iy cm⁴ 318.0 / 318.0
Section modulus Wx / Wy cm³ 42.2 / 42.2
Max length mm 6070
Length 6070
Weight 6.7 kg/m
Material Anodized aluminium

There is no single cover cap: use 5 cover caps 40x40, or 2 cover caps 40x80 and 1 cover cap 40x40, in signal grey PP or ESD black.

The 40x80x80L weighs 4.2 kg/m with Ix = Iy 96.6 cm⁴; the 40x120x120L weighs 6.7 kg/m and reaches 318.0 cm⁴, more than three times as much. Choose the larger one for heavy frames and long spans.

In bending they are equivalent (about 318 cm⁴ in both directions) and the 40x120x120L is lighter: 6.7 kg/m versus 8.1. In torsion, however, the 100x100L is much stiffer (It 153.53 versus 37.10 cm⁴): choose it if the frame takes off-axis loads.

It is the width of the profile slot and determines which accessories you use. Slot C6 (6 mm) is for 20 series profiles, C8 (8 mm) for the 30 series, C10 (10 mm) for profiles from the 40 series upwards. Nuts, screws, brackets and cover caps are chosen by slot: each accessory's product page shows the right one.

Yes. You can order the full bar or the piece cut to the length you need: we do the cutting ourselves, in our workshop. Each profile's product page shows the maximum bar length and the minimum cut length.

Look at the moments of inertia Ix and Iy: the higher they are, the less the profile deflects under load. For the same section, “L” profiles are lightened and deflect a little more. For long spans or high loads move to a larger section or a tall profile (e.g. 45x90 instead of 45x45). If you send us drawing and loads, we will check the choice.

The T-nut is inserted from the front into the slot, even in an assembled structure, and positions itself when you tighten the screw: it is the standard choice for fixing accessories. The sliding block withstands higher forces, but normally has to be inserted from the profile end before closing the frame; spring versions stay where you put them.

The simplest way is the bracket, which joins two profiles at 90° with screws and nuts in the slot, without machining. For end, T, 45° or three-way connections there are dedicated connectors, some of which require profile machining as stated on their product page.

Yes, for several accessories (for example cover caps, hinges and nuts) there are conductive ESD versions, indicated in the name or variant. Tell us which EPA area you work in and we will confirm the components to use.

On each product page you will find the MGE catalogue pages to download as PDF, with dimensioned drawings and technical data; the Specifications tab shows the data for the variant you have chosen.

Yes. Send us the parts list or a sketch with dimensions: we give you codes, quantities and cut lengths and prepare the kit with profiles already cut and the accessories.

Accessory Products